<!DOCTYPE html>
<html>
<head>
  <style>
@page {
  size: A4;
  margin: 3cm;
  @top-left-corner {
    content: url('./vivliostyle-logo.png');
    width: 3cm;
    height: 3cm;
  }
  @top-right-corner {
    content: url('./vivliostyle-logo.png') url('./vivliostyle-logo.png');
    width: 3cm;
    height: 3cm;
  }
}
</style>
</head>
<body>
</body>
</html>
